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bixtya [17]
3 years ago
7

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation

Mathematics
1 answer:
Olenka [21]3 years ago
8 0

Answer:

y = \frac{49}{3}

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 7 when x = 3

k = \frac{y}{x} = \frac{7}{3}, thus

y = \frac{7}{3} x ← equation of variation

When x = 7, then

y = \frac{7}{3} × 7 = \frac{49}{3}

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